2003 Yamaha YFM400FAR Kodiak Factory Service Manual, Page 241Get this manual
FRONT CONSTANT VELOCITY JOINTS AND DIFFERENTIAL GEAR
Adjusting differential gear lash 1.Remove: Shim(s) (left) Differential gear assembly Shim(s) (right) 3
2.Adjust: Gear lash Adjustment steps: Select the suitable shims using the following chartToo little gear lash Too large gear lash